Home / 91,691.50-137,508.48-35,527.72

Finding the Fourth Proportional to 91,691.50, 137,508.48 and 35,527.72

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Solution

The fourth proportional to 91,691.50, 137,508.48 and 35,527.72 is: 53,280.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,691.50 : 137,508.48 = 35,527.72 : x
  2. Step 2: Convert to fraction form
    91,691.50/137,508.48 = 35,527.72/x
  3. Step 3: Cross multiply
    91,691.50x = 137,508.48 × 35,527.72
  4. Step 4: Simplify right side
    91,691.50x = 4,885,362,775.07
  5. Step 5: Solve for x
    x = 4,885,362,775.07/91,691.50
  6. Step 6: Final answer
    x = 53,280.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.